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首页> 外文会议>International Conference on Mechanical Engineering and Mechanics vol.2; 20051026-28; Nanjing(CN) >Measurement and Analysis of the Automobile Road Load Data
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Measurement and Analysis of the Automobile Road Load Data

机译：汽车道路负荷数据的测量与分析

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摘要

The road load spectrum of automobile is very important for the automobile and components anti-fatigue design and test. In this paper, two methods are introduced for the measurement of the road load spectrum. One is called local load method and the other is called external load method. Time history data analysis technology is discussed by using rainflow counting method and metal fatigue theory. Power spectrum density analysis is adopted for separating signals with different frequencies caused by driving maneuver and road roughness. With wheel force transducer (WFT), the road load spectrum of several cities in China including Beijing and Tianjin is got. The road load spectrum can be used for evaluation of automobile and components fatigue reliability test and also offers guideline for the components anti-fatigue design.
机译：汽车的道路载荷谱对于汽车及其零部件的抗疲劳设计和测试非常重要。本文介绍了两种测量道路荷载谱的方法。一种称为本地加载方法，另一种称为外部加载方法。利用雨流计数法和金属疲劳理论讨论了时程数据分析技术。功率谱密度分析用于分离由于驾驶操作和路面不平而引起的不同频率的信号。借助轮力传感器（WFT），可以获得包括北京和天津在内的中国多个城市的道路载荷谱。道路载荷谱可用于评估汽车和零部件的疲劳可靠性，并为零部件的抗疲劳设计提供指导。

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